Article View: comp.sys.ibm.pc.programmer
Article #1327Re: How to check which memory locs. are really occupied by BIOS?
From: Kaleb Keithley
Date: Fri, 23 Feb 1990 16:37
Date: Fri, 23 Feb 1990 16:37
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1197 bytes
In article <300@ipsi.UUCP> schulz@ipsi.UUCP (Guenther F. Schulz) writes:
>does anybody happen to know a method how to make sure which
>memory areas are really occupied by bios routines (machine
>bios, video bios, div. controller bios...) AFTER BOOTUP?
Check the myriad DOS Technical References, Microsoft has defined that BIOS
routines start at specific addresses, and have special signature bytes.
All you should have to do is read through memory looking for signature bytes.
Chewey, get us outta here!
kaleb@mars.jpl.nasa.gov Jet Propeller Labs
Kaleb Keithley
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!wuarchive!decwrl!elroy.jpl.nasa.gov!jato!mars!kaleb From: kaleb@mars.jpl.nasa.gov (Kaleb Keithley) Newsgroups: comp.sys.ibm.pc.programmer,alt.msdos.programmer Subject: Re: How to check which memory locs. are really occupied by BIOS? Keywords: check occupied memory locations after bootup Message-ID: <2915@jato.Jpl.Nasa.Gov> Date: 23 Feb 90 16:37:39 GMT References: <300@ipsi.UUCP> Sender: news@jato.Jpl.Nasa.Gov Reply-To: kaleb@mars.UUCP (Kaleb Keithley) Organization: Jet Propulsion Laboratory, Pasadena, CA. Lines: 13